Current conditions at

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Fair

82°F

28°C

Humidity 82%
Wind Speed S 9 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Aug 9:52 pm EDT
Extended Forecast for

Jacksonville Beach FL

  • Tonight

    Tonight: Mostly cloudy, with a low around 77. Southwest wind 8 to 10 mph, with gusts as high as 15 mph.

    Low: 77 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 88. Southwest wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 78. South wind 8 to 11 mph, with gusts as high as 16 mph.

    Low: 78 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm.  Sunny, with a high near 87. Heat index values as high as 100. West wind 6 to 10 mph becoming south in the afternoon.

    High: 87 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South wind 11 to 13 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 78. Breezy.

    Low: 78 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 77. Southwest wind 8 to 10 mph, with gusts as high as 15 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Southwest wind 8 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 78. South wind 8 to 11 mph, with gusts as high as 16 mph.
Sunday
A 20 percent chance of showers after 2pm. Sunny, with a high near 87. Heat index values as high as 100. West wind 6 to 10 mph becoming south in the afternoon.
Sunday Night
Mostly clear, with a low around 79. South wind 11 to 13 mph.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 78. Breezy.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 78.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Breezy.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Breezy.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
7:36 pm EDT Aug 21, 2026
10pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
 
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Additional Resources

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